1D's Harry Disguised As An Elephant At Hen Party!
Styles also dressed as Hanson at Poppy Delevingne's celebrations...
One Direction star Nick GrimshawaSienna Miller was also in attendance, with the 19-year old posting a snap of himself and the actress - who went to the party as Cara Delevingne, and is due to marry James Cook next year.
Over the weekend, Styles was said to be 'secretly dating' model Daisy Lowe, with a source telling The Sun: "When Harry met Daisy there was a real spark. When they see each other they make sure it’s in private at night or with a group of friends.”
Watch this space!